a crystal (ordinary quality)(A钻（普通品质）) aa drill (electroplating quality)(AA钻（电镀品质）) aaa drill (environmental protection quality of welding)(AAA钻（烧焊环保品质）)

1.30*1440 pcs [ss2.0]](1.30mm*1440颗【SS2.0】) 1.35*1440 pcs [ss2.5]](1.35mm*1440颗【SS2.5】) 1.40*1440 pcs [ss3.0]](1.40mm*1440颗【SS3.0】) 1.50*1440 pcs [ss3.5]](1.50mm*1440颗【SS3.5】) 1.60*1440 pcs [ss4.0]](1.60mm*1440颗【SS4.0】) 1.70*1440 pcs [ss4.5]](1.70mm*1440颗【SS4.5】) 1.80*1440 pcs [ss5.0]](1.80mm*1440颗【SS5.0】) 1.90*1440 pcs [ss5.5]](1.90mm*1440颗【SS5.5】) 2.00*1440 pcs [ss6.0]](2.00mm*1440颗【SS6.0】) 2.10*1440 pcs [ss6.5]](2.10mm*1440颗【SS6.5】) 2.20*1440 pcs [ss7.0]](2.20mm*1440颗【SS7.0】) 2.30*1440 pcs [ss7.5]](2.30mm*1440颗【SS7.5】) 2.40*1440 pcs [ss8.0]](2.40mm*1440颗【SS8.0】) 2.50*1440 pcs [ss8.5]](2.50mm*1440颗【SS8.5】) 2.60*1440 pcs [ss9.0]](2.60mm*1440颗【SS9.0】) 2.70*1440 pcs [ss9.5]](2.70mm*1440颗【SS9.5】) 2.80*1440 pcs [ss10]](2.80mm*1440颗【SS10】) 2.90*1440 pcs [ss11]](2.90mm*1440颗【SS11】) 3.00*1440 pcs [ss11.5]](3.00mm*1440颗【SS11.5】) 3.2mm * 1440 pcs [ss12]](3.2mm*1440颗【SS12】) 4.0*144 pcs [ss16]](4.0mm*144颗【SS16】) 4.8mm * 144 pcs [ss20]](4.8mm*144颗【SS20】) 6.2*144 pcs [ss28]](6.2mm*144颗【SS28】) 7.0mm * 144 pcs [ss32]](7.0mm*144颗【SS32】) 8.2mm * 144 pcs [ss38]](8.2mm*144颗【SS38】) 5.2mm * 72 pcs [ss23]](5.2mm*72颗【SS23】)